Why does my car AC sometimes work and sometimes not?

Why does my car AC sometimes work and sometimes not?

Intermittent cooling is often caused by the components of your vehicle’s AC system freezing up. Typically an iced over evaporator is the culprit. There may be numerous issues causing the icing—from a dirty cabin air filter to a blocked evaporator drain or an overcharged system.

How do I fix my AC not blowing air?

Troubleshooting your aircon if not blowing cold air

  1. Make Sure The Thermostat Is Set To Cool. On most occasions, you do need to exert yourself much to fix an aircon that is not blowing cool air.
  2. Inspect Circuit Breaker Box.
  3. Clean Dirty Aircon Filters.
  4. Check If There’s Ice Build-Up In The Aircon.

How do I know if my AC blower motor is bad?

5 Signs Your Blower Motor Needs to Be Replaced

  1. Weak Airflow from the Vents. This is usually the first indication that you may have a faulty blower motor.
  2. No Airflow at All.
  3. Unusually High Energy Bills.
  4. Strange Sounds.
  5. Overheating.

Why doesn’t my car AC work when it’s hot?

Like having a blocked condenser, having broken cooling fans can cause a lack of cooling at your condenser and could cause your car AC blowing hot air. Like broken condenser fans and electrical fault can cause a normally working system to stop working simply due to a bad connection or faulty sensor.

How do I know if my HVAC fuse is blown?

If you suspect that your AC may have blown a fuse, the first thing you shall notice is that the outside unit of your AC is not doing anything. You may hear a minor humming sound, but that is the extent of it. The humming sound is produced because, despite no power, the furnace keeps asking the AC to run.

Why is my Acura 3.2 TL not blowing air?

I have a 1999 Acura 3.2 TL and while driving the a/c quit working. the blower will not come on and neither does the compressor. I have taken out the blower resistor and all the wires look good, nothing looks fried and I have pulled the blower motor and jumped it straight to the battery and it runs fine.

Why is no air coming out of my Acura radiator?

I tried the following: 1. I change the temperature to 90 degrees but no air comes out. 2. I check the fuses on the panel under the dashboard next to the door and the fuses seem to be alright, according to the people at Acura the Radiator the Blower and the A/C Compressor are all on the same circuit so the other three would have gone as well.

Why does my Acura a / C compressor stop blowing cold air?

Check to see if the A/C compressor clutch Relay is ok. Find the relay using the fuse-box diagram, and swap it with another relay in the fuse box. I have seen this problem more than once, all ending up to be a faulty relay. Click to expand… Hmm, I wonder if mine is on it’s way out.

Why is my driver side airconditioner not working?

There is only one a/c and only one temperature of air comming from the a/c coils. What could be happening, and I think this would be rather rare, is that the “doors” in the system that direct air flow are not operating properly on the driver side. ie. they are in the fresh are or ambient air mode.

Why is my Acura MDX not blowing cold?

Acura MDX Air Conditioner AC Not Blowing Cold – How To Fix It For Cheap! – YouTube If playback doesn’t begin shortly, try restarting your device.

Is the a / C working on my Acura MDX?

My A/C works fine temperature wise. It seems to be cooling just fine, blows it’s normal cold air and cycles on and off. That being said, on Saturday, I was sitting at a Sonic with the engine idling while waiting a few minutes for my order.

Why does my Acura MDX make smoke like noise?

The local mechanic said they believed it was the air conditioning (of course the car wouldn’t make the noise or produce smoke for them) and serviced it and added freon. They said that freon will produce a smoke like effect when it is released from a valve under the car.

Check to see if the A/C compressor clutch Relay is ok. Find the relay using the fuse-box diagram, and swap it with another relay in the fuse box. I have seen this problem more than once, all ending up to be a faulty relay. Click to expand… Hmm, I wonder if mine is on it’s way out.